Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Rb2 win in 3 half-moves
2 Rb4 win in 3 half-moves
3 Rc5 win in 3 half-moves
4 Rb3 win in 5 half-moves
5 Kc2 draw
6 Kc3 draw
7 Kc4 draw
8 Kd2 draw
9 Kd4 draw
10 Ke2 draw
11 Ke3 draw
12 Kg2 draw
13 Kg3 draw
14 Kh2 draw
15 Kh4 draw
16 Ra5 draw
17 Rb1 draw
18 Rd5 draw
19 Rh5 draw
20 Ke4 loss in 2 half-moves
21 Kg4 loss in 2 half-moves
22 Rb6 loss in 2 half-moves
23 Rb7 loss in 2 half-moves
24 Rb8 loss in 2 half-moves
25 Re5 loss in 2 half-moves
26 Rf5 loss in 2 half-moves
27 Rg5 loss in 2 half-moves